/Я language (β)/Primitives/Twice/

: Supertype ( Twice i ) ~ ( i `P` i )
> Twice : i `P` i `AR_` Twice i

> `ryo` : a o . Unit `S` Unit `AR` a `AR__` Twice a `AR` o `AR` o
> `yor` : a o . Twice o `AR____` Unit `S` Unit `AR__` o
> `yo` : a o . Twice a `AR_____` a `AR____` o `AR____` Twice o
> `kyo` : a o . Twice a `AR____` Along ( Unit `S` Unit ) a `AR__` o `AR__` Twice o
> `yokl` : a o . Twice a `AR___` a `AR__` Maybe o `AR__` Maybe ( Twice o )
> `yokl` : a o . Twice a `AR___` a `AR__` Stops i o `AR__` Stops i ( Twice o )
> `yokl` : a o . Twice a `AR___` a `AR__` State i o `AR__` State i ( Twice o )
> `yokl` : a o . Twice a `AR___` a `AR__` World o `AR__` World ( Twice o )

> Arrow `har` derive `ha` Adapt : Twice `C'AR` Nonempty List
> Arrow `har` derive `ha` Adapt : Twice `C'AR` List